@article{TIMM_2019_25_1_a8,
     author = {P. D. Lebedev and A. A. Uspenskii},
     title = {Construction of a nonsmooth solution in a time-optimal problem with a low order of smoothness of the boundary of the target set},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {108--119},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2019_25_1_a8/}
}